One canned juice drink is 25% orange juice; another is 5% orange juice. How many liters of each should be mixed together in order to get 20L that is 20% orange juice

One canned juice drink is 25% orange juice; another is 5% orange juice. How many liters of each should be mixed together in order to get 20L that is 20% orange juice

Which constants can be multiplied by the equations so one variable will be eliminated when the systems are added together? 5x + 13y = 232 12x + 7y = 218

how many cones and sundaes were sold? solve the equations by using the substitution method.

Find the measures of two complementary angles if one angle is four times the other angle

Two equations to solve for a variable.

Write a system of equations that can be solved using substitution

adult tickets to play cost $22. TIckets for children cost $15. TIckets for a group of 11 people cost a total of $228. Write and solve a system of equations to find how many children and how many adults...

You are looking for an after-school job. One pays $9 per hour. Another pays $12 per hour, but you must buy a uniform that costs $39. After how many hours of work would your net earnings from either...

How do I solve y=-5x+7 and y=8x+7 to get the answer in (x, y) form?

It's solving systems by substitution

The first number times the second number equals 30. what is the equation

I don't understand how to solve this problem.

im not really sure how to do this question. please help me with this? ...

im a junior in high school and need help to do these problems or i just didnt understand him but im solving by substitution and i really need some one to please help me ...

The length of a rectangle is 3 more than it's width. The perimeter of the rectangle is 58cm. What are the rectangle's dimensions?

X=Y X-3y=4

At a local fitness center, members pay a six dollar membership fee and $3 for each aerobic class. Nonmembers pay $4 dollars for each aerobic class. For what number of aerobic classes will cost nonmembers...

what are the ordered pairs ?

how would one solve this particular problem by substitution? y = x+4 y^2...

A chef is using a mixture of two brands of Italian dressing. The first brand contains 5% vinegar, and the second brand contains 15% vinegar. The chef wants to make 390 milliliters of a dressing that...